condition	mean	min	max
4 h after light	3.26098	2.86211	3.65985
8 h after light	3.757005	3.64369	3.87032
12 h after light	4.394555	3.66383	5.12528
4 h after dark	4.429320000000001	4.21795	4.64069
8 h after dark	3.812925	3.52197	4.10388
12 h after dark	3.577755	3.25563	3.89988